------- Comment #1 from rguenth at gcc dot gnu dot org 2006-04-21 12:50 -------
>From ipa-pure-const we get
Function found to be pure: foo_read
Function found to be pure: foo
which is of course bogus for volatile pointer arguments. It's a regression,
because ipa-pure-const is new.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|c |tree-optimization
Ever Confirmed|0 |1
Keywords| |wrong-code
Known to fail| |4.1.0 4.2.0
Last reconfirmed|0000-00-00 00:00:00 |2006-04-21 12:50:39
date| |
Summary|a call for function with |[4.1/4.2 Regression] ipa-
|side-effects discarded by |pure-const says functions
|optimization |which read from volatile mem
| |are pure
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27236
